[CentOS] kickstart not install evolution

I wish to NOT install evolution during my kickstart process... In the %packages section I put a line

-evolution

but it still installed evolution. How can I keep evolution from being installed in the kickstart process?

jerry

------------------ snippit of kickstart ----------- %packages @base-x @dialup @gnome-desktop @base @development-libs @core @x-software-development @development-tools @web-server @graphical-internet @sound-and-video @legacy-software-development @editors @smb-server @ftp-server sendmail sendmail-cf mesa-libGLU-devel device-mapper-multipath -evolution mod_ssl

openssl ImageMagick